Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual data foi realizada em Laguna Seca Raceway, na classe GTX/GTO?
 ###Tabelas: CREATE TABLE current_member_schools (current_member_schools_id AUTO_INCREMENT PRIMARY KEY, School VARCHAR, Location VARCHAR, Enrolment INT, Founded INT, Denomination VARCHAR, Boys/Girls VARCHAR, Day/Boarding VARCHAR, School Colors VARCHAR) CREATE TABLE schedule (schedule_id AUTO_INCREMENT PRIMARY KEY, Race VARCHAR, Length VARCHAR, Class VARCHAR, Circuit VARCHAR, Date VARCHAR) CREATE TABLE official_sports (official_sports_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, Nation VARCHAR, Gold INT, Silver INT, Bronze INT, Total INT) CREATE TABLE first_round_selections (first_round_selections_id AUTO_INCREMENT PRIMARY KEY, Pick INT, Player VARCHAR, Team VARCHAR, Position VARCHAR, Hometown/School VARCHAR) CREATE TABLE affiliate_members (affiliate_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Founded INT, Type VARCHAR, Enrollment INT, Nickname VARCHAR, Current Conference VARCHAR, Pac-12 Sports VARCHAR)  
SELECT Date FROM schedule WHERE Circuit = laguna seca raceway AND Class = gtx/gto